Properties of the Number 42817

Forty-Two Thousand Eight Hundred Seventeen

Basics

Value: 42816 → 42817 → 42818

Parity: odd

Prime: No

Previous Prime: 42797

Next Prime: 42821

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 47 × 911

Divisors: 1, 47, 911, 42817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011101000001

Octal: 123501

Duodecimal: 20941

Hexadecimal: a741

Square: 1833295489

Square Root: 206.92269087753522

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of ways to split an integer partition of n into contiguous subsequences with strictly increasing sums. A336134

Discriminants of real quadratic fields with 3-class group of type (3,3). A269319

Numbers k such that 27·2^k-1 is prime. A50539

Discriminants of real quadratic number fields with 3-class rank 2. A269318

Semiprimes (A001358) whose digit reversal is a square. A115710

Number of tilings of a 4 X 3n rectangle using 4n trominoes of any shape. A233339

Denominators of continued fraction convergents to sqrt(939). A42817